Answer:
A, C, D
You want to warm your body up and increase body temperature, not cool it down. Therefore all of the above except B
Air is warmed and moisturized as it enters your nose or mouth as your lungs expand. It then passes through your windpipe and into your bronchial tubes, which connect your windpipe to your lungs. When air reaches your lungs, it passes via the alveoli (air sacs) and into your bloodstream.
The First Trimester: Fetal Development. The most dramatic changes and development happen during the first trimester. During the first eight weeks, a fetus is called an embryo.
